Mercurial > prosody-modules
annotate mod_statistics/mod_statistics.lua @ 6556:7477e97a9045
mod_firewall: Apply pre-reload state before re-reading config
This change makes load/reload a bit more robust. module.load() runs before
module.restore() and it reads from the config and updates the state (if
needed).
However, after this, module.restore() could run and apply the old state again.
| author | Matthew Wild <mwild1@gmail.com> |
|---|---|
| date | Sun, 24 May 2026 20:03:20 +0100 |
| parents | 54e84ec12c82 |
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| rev | line source |
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1 module:set_global(); |
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2 |
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3 local stats = module:require("mod_statistics/stats"); |
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4 local filters = require "util.filters"; |
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5 |
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6 local cached_values = {}; |
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7 |
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8 local sessions = {}; |
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9 |
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10 local function push_stat(conn, name, value) |
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11 return conn:write((("STAT %q (%q)\n"):format(name, value):gsub("\\\n", "\\n"))); |
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12 end |
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13 |
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14 local function push_stat_to_all(name, value) |
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15 for conn in pairs(sessions) do |
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16 push_stat(conn, name, value); |
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17 end |
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18 end |
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19 |
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20 local session_stats_tpl = ([[{ |
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21 message_in = %d, message_out = %d; |
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22 presence_in = %d, presence_out = %d; |
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23 iq_in = %d, iq_out = %d; |
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24 bytes_in = %d, bytes_out = %d; |
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25 }]]):gsub("%s", ""); |
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26 |
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27 |
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28 local jid_fields = { |
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29 c2s = "full_jid"; |
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30 s2sin = "from_host"; |
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31 s2sout = "to_host"; |
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32 component = "host"; |
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33 }; |
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34 |
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35 local function push_session_to_all(session, stats) |
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36 local id = tostring(session):match("[a-f0-9]+$"); -- FIXME: Better id? :/ |
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37 local stanzas_in, stanzas_out = stats.stanzas_in, stats.stanzas_out; |
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38 local s = (session_stats_tpl):format( |
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39 stanzas_in.message, stanzas_out.message, |
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40 stanzas_in.presence, stanzas_out.presence, |
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41 stanzas_in.iq, stanzas_out.iq, |
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42 stats.bytes_in, stats.bytes_out); |
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43 local jid = session[jid_fields[session.type]] or ""; |
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44 for conn in pairs(sessions) do |
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45 conn:write(("SESS %q %q %s\n"):format(id, jid, s)); |
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46 end |
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47 end |
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48 |
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49 local available_stats = stats.stats; |
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50 local active_sessions = stats.active_sessions; |
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51 |
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52 -- Handle statistics provided by other modules |
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53 local function item_handlers(host) |
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54 host = host and (host.."/") or ""; |
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55 |
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56 return function (event) -- Added |
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57 local stats = event.item.statistics; |
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58 local group = host..(stats.name and (stats.name.."::") or ""); |
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59 for name, stat in pairs(stats) do |
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60 available_stats[group..name] = stat; |
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61 end |
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62 end, function (event) -- Removed |
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63 local stats = event.item.statistics; |
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64 local group = host..(stats.name and (stats.name.."::") or ""); |
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65 for name, stat in pairs(stats) do |
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66 available_stats[group..name] = nil; |
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67 end |
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68 end; |
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69 end |
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70 |
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71 module:handle_items("statistics-provider", item_handlers()); |
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72 function module.add_host(module) |
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73 module:handle_items("statistics-provider", item_handlers(module.host)); |
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74 end |
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75 |
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76 -- Network listener |
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77 local listener = {}; |
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78 |
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79 function listener.onconnect(conn) |
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80 sessions[conn] = {}; |
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81 push_stat(conn, "version", prosody.version); |
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82 for name, value in pairs(cached_values) do |
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83 push_stat(conn, name, value); |
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84 end |
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85 conn:write("\n"); -- Signal end of first batch (for non-streaming clients) |
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86 end |
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87 |
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88 function listener.onincoming(conn, data) |
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89 end |
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90 |
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91 function listener.ondisconnect(conn) |
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92 sessions[conn] = nil; |
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93 end |
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94 |
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95 function listener.onreadtimeout() |
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96 return true; |
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97 end |
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98 |
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99 function module.load() |
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100 if not(prosody and prosody.arg) then |
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101 return; |
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102 end |
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103 filters.add_filter_hook(stats.filter_hook); |
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104 |
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105 module:add_timer(1, function () |
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106 for stat_name, stat in pairs(available_stats) do |
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107 if stat.get then |
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108 local cached = cached_values[stat_name]; |
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109 local new_value = stat.get(); |
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110 if new_value ~= cached then |
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111 push_stat_to_all(stat_name, new_value); |
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112 cached_values[stat_name] = new_value; |
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113 end |
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114 end |
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115 end |
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116 for session, session_stats in pairs(active_sessions) do |
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117 active_sessions[session] = nil; |
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118 push_session_to_all(session, session_stats); |
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119 end |
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120 return 1; |
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121 end); |
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122 |
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123 end |
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124 function module.unload() |
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125 filters.remove_filter_hook(stats.filter_hook); |
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126 end |
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127 function module.command( args ) |
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128 local command = args[1]; |
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129 if command == "top" then |
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130 local dir = module:get_directory(); |
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131 package.path = dir.."/?.lua;"..dir.."/?.lib.lua;"..package.path; |
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132 local prosodytop = module:require "prosodytop"; |
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133 prosodytop.run(); |
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134 end |
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135 end |
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136 |
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137 if prosody and prosody.arg then |
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138 module:provides("net", { |
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139 default_port = 5782; |
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140 listener = listener; |
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141 private = true; |
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142 }); |
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143 end |
